Home / 16,254.42-22,431.78-9,180.84

Finding the Fourth Proportional to 16,254.42, 22,431.78 and 9,180.84

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Solution

The fourth proportional to 16,254.42, 22,431.78 and 9,180.84 is: 12,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.42 : 22,431.78 = 9,180.84 : x
  2. Step 2: Convert to fraction form
    16,254.42/22,431.78 = 9,180.84/x
  3. Step 3: Cross multiply
    16,254.42x = 22,431.78 × 9,180.84
  4. Step 4: Simplify right side
    16,254.42x = 205,942,583.10
  5. Step 5: Solve for x
    x = 205,942,583.10/16,254.42
  6. Step 6: Final answer
    x = 12,669.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.